// Copyright (C) 2012 Yury Bychenkov (http://bychenkov.com).
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//  - Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//  - Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//  - Neither the name of Yury Bychenkov nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "concurrent.h"

#ifdef WINDOWS64

Thread::~Thread() {
	lock.lock();
	if (threadHandle != 0) {
    	::CloseHandle(threadHandle);
    	threadHandle = 0;
    }
	lock.unlock();
}

void Thread::start() {
	lock.lock();
	if (threadHandle == 0) {
		threadHandle = (HANDLE)::_beginthreadex(0, 0, threadProc, (void *) this, 0, 0);
	}
	lock.unlock();
}

void Thread::join() {
	lock.lock();
	if (threadHandle != 0) {
	    ::WaitForSingleObject(threadHandle, INFINITE);
    	::CloseHandle(threadHandle);
    	threadHandle = 0;
    }
	lock.unlock();
}

unsigned WINAPI Thread::threadProc(void* threadObject) {
	((Thread*) threadObject)->run();
	return 0;
}

#endif // WINDOWS64



#ifdef POSIX64

Thread::~Thread() {
	lock.lock();
	if (threadHandle != 0) {
	    ::pthread_detach(threadHandle);
    	threadHandle = 0;
    }
	lock.unlock();
}

void Thread::start() {
	lock.lock();
	if (threadHandle == 0) {
  		if (0 != ::pthread_create(&threadHandle, 0, threadProc, (void*) this)) {
	  		threadHandle = 0;
  		}
	}
	lock.unlock();
}

void Thread::join() {
	lock.lock();
	if (threadHandle != 0) {
	    ::pthread_join(threadHandle, 0);
	    threadHandle = 0;
    }
	lock.unlock();
}

void* Thread::threadProc(void* threadObject) {
	((Thread*) threadObject)->run();
	return 0;
}

#endif // POSIX64
